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#ifndef js_utf_h

#define js_utf_h

typedef int Rune;	/* 32 bits */

#define chartorune	jsU_chartorune

#define runetochar	jsU_runetochar

#define runelen		jsU_runelen

#define utflen		jsU_utflen

#define isalpharune	jsU_isalpharune

#define islowerrune	jsU_islowerrune

#define isspacerune	jsU_isspacerune

#define istitlerune	jsU_istitlerune

#define isupperrune	jsU_isupperrune

#define tolowerrune	jsU_tolowerrune

#define totitlerune	jsU_totitlerune

#define toupperrune	jsU_toupperrune

enum

{

	UTFmax		= 4,		/* maximum bytes per rune */

	Runesync	= 0x80,		/* cannot represent part of a UTF sequence (<) */

	Runeself	= 0x80,		/* rune and UTF sequences are the same (<) */

	Runeerror	= 0xFFFD,	/* decoding error in UTF */

	Runemax		= 0x10FFFF,	/* maximum rune value */

};

int	chartorune(Rune *rune, const char *str);

int	runetochar(char *str, const Rune *rune);

int	runelen(int c);

int	utflen(const char *s);

int		isalpharune(Rune c);

int		islowerrune(Rune c);

int		isspacerune(Rune c);

int		istitlerune(Rune c);

int		isupperrune(Rune c);

Rune		tolowerrune(Rune c);

Rune		totitlerune(Rune c);

Rune		toupperrune(Rune c);

#endif